Commutator Theorems for Fractional Integral Operators on Weighted Morrey Spaces

Zengyan Si

Let $L$ be the infinitesimal generator of an analytic semigroup on $L^2(R^n)$ with Gaussican kernel bounds, and let $L^{-\alpha /2}$ be the fractional integrals of $L$ for $0<\alpha <n.$ For a…